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ammeter and voltmeter are modified versions of a galvanometer. a)mention the purpose for using an ammeter in a circuit. b)with the help of a suitable diagram explain how a galvanometer can be converted into a voltmeter. c)describe the working of a moving coil galvanometer.
a) Ammeter is used to measure the current in the circuit.
b)To convert a galvanometer into a voltmeter you connect a suitable high resistance in series with the coil of the galvanometer.
c)


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